package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo4 {
    public static void main(String[] args) throws SQLException, ClassNotFoundException {
//        Class.forName("com.mysql.cj.jdbc.Driver");
//        Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true", "root", "root");
        Connection conn = DBUtil.getConnection();
        Statement statement = conn.createStatement();
        String sql = "DELETE FROM userinfo " + "WHERE id = 1";
        int num = statement.executeUpdate(sql);
        System.out.println(num > 0 ? "删除成功" : "删除失败");
    }
}
